Final answer:
Iago's soliloquy in Shakespeare's 'Othello' reveals his manipulative plans to the audience and provides insight into his evil nature.
Step-by-step explanation:
Iago's soliloquy is a dramatic monologue found in Shakespeare's play Othello, revealing his intentions and motives to the audience. It is a powerful dramatic device that allows the audience to grasp the depths of Iago's deceit and manipulation. Through his soliloquy, we learn how Iago plans to frame Cassio and Desdemona to incite Othello's jealousy, and witness the cunning and malicious nature of his character. The soliloquy also showcases Shakespeare's ability to create complex villains, making Iago's character particularly memorable in English literature. Such moments where characters speak their thoughts aloud are crucial for plot development and character revelation, providing insight into their inner workings that might not be evident through action alone.